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usb: host: ehci-generic: initialize PHY only when found

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Call generic_phy_init() only when a PHY was found.
This will avoid a crash if no "phys" property is found in DT.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reported-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrice Chotard 2017-07-24 17:07:04 +02:00 committed by Marek Vasut
parent 623b7aca1f
commit 4b3928a08f
1 changed files with 6 additions and 5 deletions
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3
drivers/usb/host/ehci-generic.c
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@ -99,13 +99,14 @@ static int ehci_usb_probe(struct udevice *dev)
error("failed to get usb phy\n");
goto reset_err;
}
}
} else {
err = generic_phy_init(&priv->phy);
if (err) {
error("failed to init usb phy\n");
goto reset_err;
}
}
hccr = map_physmem(devfdt_get_addr(dev), 0x100, MAP_NOCACHE);
hcor = (struct ehci_hcor *)((uintptr_t)hccr +